is a Shinto shrine in the Ichinomiya neighborhood of the town of Ichinomiya in Chà Âsei District, Chiba Prefecture, Japan. It is the ichinomiya of former Kazusa Province. The main festival of the shrine is held annually on September 13, and features kagura performances, which are listed as an Intangible Cultural Property of Chiba Prefecture.
The origins of Tamasaki Jinja are unknown. The shrine is located in an area of the Bà Âsà  Peninsula with a favorable climate, which has been settled since at least the Jà Âmon period. Shell middens and burial mounds are common in the area. Its earliest appearance unhistorical documentation is an entry date 868 in the Ruijà « Kokushi followed by the Nihon Sandai Jitsuroku in 877. The shrine is mentioned as the ichinomiya of Kazusa Province in the Engishiki records from the early Heian period. However, repeated fires and other disasters over the centuries have destroyed all of the old shrine records and buildings. The shrine was burned down in 1562 during a battle involving the Satomi clan and was rebuilt by the Satomi in 1587. Additional structures were donated by Tokugawa Ieyasu in 1591 and the shrine reconstructed in 1687. During the Meiji period, the shrine was designated as an under the Modern system of ranked Shinto Shrines.
The shrine is located a seven-minute walk from Kazusa-Ichinomiya Station on the JR East Sotobà  Line.